Add Yahoo as a preferred source to see more of our stories on Google. U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm ...

Dutch elm disease has been present in the United States since the 1920s, when it began its rapid spread across elm populations, killing most American elms. Every year the disease continues to spread ...

Add Yahoo as a preferred source to see more of our stories on Google. The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize ...

In early July, Denver’s forestry team discovered that Dutch elm disease – a fungal tree killer that targets American elms – was back after a twelve-year absence from the city. While the team is hoping ...

EGREMONT — Berkshire County's most photographed tree got a special injection Friday morning to protect it from Dutch elm disease. Early Friday, before the daily heat could set in, a crew from ...

GRAND FORKS – As June approaches and trees begin to leaf out, Sean Lee, the forestry operations manager with the Grand Forks Park District, knows it’s time to begin watching out for Dutch elm disease.

Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper tip blight, flowering crabapples to apple scab, and elms to Dutch elm ...

The American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...

An emerging invasive insect species has been causing problems with elm trees across the Midwest. According to the Indiana Department of Natural Resources, the invasive elm zigzag sawfly is active from ...